.mid > div {
    border: 1px solid gray;
    width: 900px;
    /*padding: 30px 0 30px 0;*/
    margin: 30px 0 30px 0;
}

.describe {
    text-align: center;
    margin: 30px 0;
}

.describe > div:nth-child(1) > div:nth-child(1) {
    font-size: 30px;
    color: rgb(230, 145, 55);
}

.describe > div:nth-child(1) > div:nth-child(2) {
    font-size: 15px;
    color: gray;
}

.describe > div:nth-child(2) {
    font-size: 10px;
    color: darkblue;
}
.container{
    height: 300px;
    width: 600px;
}